Base | Representation |
---|---|
bin | 1000001100000… |
… | …11110101101110 |
3 | 11210021012012011 |
4 | 10012003311232 |
5 | 120041304304 |
6 | 10452231434 |
7 | 1462630060 |
oct | 406036556 |
9 | 153235164 |
10 | 68697454 |
11 | 35861461 |
12 | 1b00b57a |
13 | 113039a7 |
14 | 91a3730 |
15 | 606ec04 |
hex | 4183d6e |
68697454 has 16 divisors (see below), whose sum is σ = 118476288. Its totient is φ = 29264472.
The previous prime is 68697439. The next prime is 68697469. The reversal of 68697454 is 45479686.
It is an interprime number because it is at equal distance from previous prime (68697439) and next prime (68697469).
It is a junction number, because it is equal to n+sod(n) for n = 68697398 and 68697407.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12354 + ... + 17029.
It is an arithmetic number, because the mean of its divisors is an integer number (7404768).
Almost surely, 268697454 is an apocalyptic number.
68697454 is a deficient number, since it is larger than the sum of its proper divisors (49778834).
68697454 is a wasteful number, since it uses less digits than its factorization.
68697454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29559.
The product of its digits is 1451520, while the sum is 49.
The square root of 68697454 is about 8288.3927271818. The cubic root of 68697454 is about 409.5562400798.
The spelling of 68697454 in words is "sixty-eight million, six hundred ninety-seven thousand, four hundred fifty-four".
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